Rails/Rspec:测试delayed_job 邮件 [英] Rails/Rspec: Testing delayed_job mails

问题描述

只是想知道如何测试 actionmailer 请求实际上发送到了 rspec 中的延迟作业队列.

Just wondering how to test that actionmailer requests are actually sent to the delayed_job que in rspec.

我会认为这很简单，但我的 delay_job 队列似乎没有增加.代码如下:

I would have assumed it was quite simple, but my delayed_job queue doesn't seem to be incrementing. Code below:

控制器:

  def create
    @contact = Contact.new(params[:contact])
      if @contact.save
        contactmailer = ContactMailer
        contactmailer.delay.contact_message(@contact)
        redirect_to(contacts_url)
      else
        render :action => "new"
      end

规格:

  it "queues mail when a contact is created" do
    expectedcount = Delayed::Job.count + 1
    Contact.stub(:new).with(mock_contact()) { mock_contact(:save => true) }
    post :create, :contact => mock_contact
    expectedcount.should eq(Delayed::Job.count)
  end

在调用控制器之前和之后，Delayed::Job.count 都返回 0.我已经尝试从控制器中取出条件，但我仍然无法使延迟的作业计数增加.

Both before and after the call to the controller, the Delayed::Job.count returns 0. I've tried taking the conditional out of the controller, but I still can't get the delayed job count to increment.

感谢任何建议 - 加油

Any suggestions appreciated - cheer

推荐答案

您还可以通过运行作业或关闭排队来测试作业将执行的操作.

You can also test what the jobs will do by running them or turning off queuing.

随时调整配置(即在 before :each 块中).

Tweak config whenever you want (i.e. in a before :each block).

Delayed::Worker.delay_jobs = false

或执行您保存的作业

Delayed::Worker.new.work_off.should == [1, 0]

我已经愉快地使用这种方法有一段时间了.一方面，使用 RSpec 中新的 any_instance 支持，您可以直接测试延迟方法的效果.但是，我发现使用 work_off 的测试慢.

I have been using this method happily for a while. For one thing, using the new any_instance support in RSpec, you can test your delayed methods effects directly. However, I've found tests that use work_off to be slow.

我现在通常做的是:

mock_delay = double('mock_delay').as_null_object
MyClass.any_instance.stub(:delay).and_return(mock_delay)
mock_delay.should_receive(:my_delayed_method)

然后我有一个单独的 my_delayed_method 规范.这要快得多，而且可能是更好的单元测试实践——尤其是对于控制器.但是，如果您正在制定请求规范或其他集成级别的规范，那么您可能仍然希望使用 work_off.

Then I have a separate spec for my_delayed_method. This is much faster, and probably better unit testing practice -- particularly for controllers. Though if you're doing request specs or other integration-level specs, then you probably still want to use work_off.

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